It is commonly used antiepileptic drug. It is effective against different forms of partial and generalized seizures; however it is not effective in absence seizures.
Well absorbed when given orally. It is metabolised by the liver. It is liver enzyme inducer and therefore, increases the rate of metabolism of other drugs.
Main side effects are sedation, confusion, gum hyperplasia, skin rash, anaemia, nystagmus, and diplopia.
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